1951406362041 has 4 divisors (see below), whose sum is σ = 2601875149392. Its totient is φ = 1300937574692.

The previous prime is 1951406361977. The next prime is 1951406362063. The reversal of 1951406362041 is 1402636041591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1951406362041 - 2⁶ = 1951406361977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1951406361984 and 1951406362002.

It is not an unprimeable number, because it can be changed into a prime (1951406362141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325234393671 + ... + 325234393676.

It is an arithmetic number, because the mean of its divisors is an integer number (650468787348).

Almost surely, 2^{1951406362041} is an apocalyptic number.

It is an amenable number.

1951406362041 is a deficient number, since it is larger than the sum of its proper divisors (650468787351).

1951406362041 is an equidigital number, since it uses as much as digits as its factorization.

1951406362041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650468787350.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 1951406362041 in words is "one trillion, nine hundred fifty-one billion, four hundred six million, three hundred sixty-two thousand, forty-one".