33472655397 has 12 divisors (see below), whose sum is σ = 48381794604. Its totient is φ = 22300148160.

The previous prime is 33472655351. The next prime is 33472655407. The reversal of 33472655397 is 79355627433.

33472655397 is a `hidden beast` number, since 3 + 3 + 47 + 2 + 65 + 539 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25820954721 + 7651700676 = 160689^2 + 87474^2 .

It is not a de Polignac number, because 33472655397 - 2⁸ = 33472655141 is a prime.

It is a super-2 number, since 2×33472655397² (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 (33472655327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232104 + ... + 1258977.

It is an arithmetic number, because the mean of its divisors is an integer number (4031816217).

Almost surely, 2^33472655397 is an apocalyptic number.

It is an amenable number.

33472655397 is a deficient number, since it is larger than the sum of its proper divisors (14909139207).

33472655397 is a wasteful number, since it uses less digits than its factorization.

33472655397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492580 (or 2492577 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 54.

The spelling of 33472655397 in words is "thirty-three billion, four hundred seventy-two million, six hundred fifty-five thousand, three hundred ninety-seven".