3742402451841 has 9 divisors (see below), whose sum is σ = 5405700813409. Its totient is φ = 2494931098836.

The previous prime is 3742402451833. The next prime is 3742402451857. The reversal of 3742402451841 is 1481542042473.

The square root of 3742402451841 is 1934529.

It is a perfect power (a square), and thus also a powerful number.

3742402451841 is a `hidden beast` number, since 3 + 7 + 424 + 0 + 2 + 45 + 184 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3742402451841 - 2³ = 3742402451833 is a prime.

It is a super-2 number, since 2×3742402451841² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3742402401841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5481166 + ... + 6126008.

Almost surely, 2^{3742402451841} is an apocalyptic number.

3742402451841 is the 1934529-th square number.

3742402451841 is the 967265-th centered octagonal number.

It is an amenable number.

3742402451841 is a deficient number, since it is larger than the sum of its proper divisors (1663298361568).

3742402451841 is an frugal number, since it uses more digits than its factorization.

3742402451841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289692 (or 644846 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 3742402451841 in words is "three trillion, seven hundred forty-two billion, four hundred two million, four hundred fifty-one thousand, eight hundred forty-one".