34974269781 has 48 divisors (see below), whose sum is σ = 52665860160. Its totient is φ = 20473689600.

The previous prime is 34974269723. The next prime is 34974269789. The reversal of 34974269781 is 18796247943.

It is not a de Polignac number, because 34974269781 - 2⁷ = 34974269653 is a prime.

It is a super-2 number, since 2×34974269781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34974269789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31997871 + ... + 31998963.

It is an arithmetic number, because the mean of its divisors is an integer number (1097205420).

Almost surely, 2^34974269781 is an apocalyptic number.

34974269781 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34974269781 is a deficient number, since it is larger than the sum of its proper divisors (17691590379).

34974269781 is a wasteful number, since it uses less digits than its factorization.

34974269781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2147 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 34974269781 in words is "thirty-four billion, nine hundred seventy-four million, two hundred sixty-nine thousand, seven hundred eighty-one".