3542826981 has 4 divisors (see below), whose sum is σ = 4723769312. Its totient is φ = 2361884652.

The previous prime is 3542826977. The next prime is 3542827009. The reversal of 3542826981 is 1896282453.

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 not a de Polignac number, because 3542826981 - 2² = 3542826977 is a prime.

It is a super-2 number, since 2×3542826981² = 25103246034603148722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3542826981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3542826901) 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, 590471161 + ... + 590471166.

It is an arithmetic number, because the mean of its divisors is an integer number (1180942328).

Almost surely, 2^3542826981 is an apocalyptic number.

It is an amenable number.

3542826981 is a deficient number, since it is larger than the sum of its proper divisors (1180942331).

3542826981 is a wasteful number, since it uses less digits than its factorization.

3542826981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180942330.

The product of its digits is 829440, while the sum is 48.

The square root of 3542826981 is about 59521.6513631804. The cubic root of 3542826981 is about 1524.4621564410.

The spelling of 3542826981 in words is "three billion, five hundred forty-two million, eight hundred twenty-six thousand, nine hundred eighty-one".