4034900781 has 24 divisors (see below), whose sum is σ = 6145201920. Its totient is φ = 2544094656.

The previous prime is 4034900773. The next prime is 4034900789. The reversal of 4034900781 is 1870094304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4034900773) and next prime (4034900789).

It is not a de Polignac number, because 4034900781 - 2³ = 4034900773 is a prime.

It is a super-2 number, since 2×4034900781² = 32560848625028819922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4034900789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84361 + ... + 123233.

It is an arithmetic number, because the mean of its divisors is an integer number (256050080).

Almost surely, 2^4034900781 is an apocalyptic number.

It is an amenable number.

4034900781 is a deficient number, since it is larger than the sum of its proper divisors (2110301139).

4034900781 is a wasteful number, since it uses less digits than its factorization.

4034900781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39505 (or 39502 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4034900781 is about 63520.8688621307. The cubic root of 4034900781 is about 1592.0044839072.

The spelling of 4034900781 in words is "four billion, thirty-four million, nine hundred thousand, seven hundred eighty-one".