34390651545 has 64 divisors (see below), whose sum is σ = 62045844480. Its totient is φ = 18296616960.

The previous prime is 34390651531. The next prime is 34390651549. The reversal of 34390651545 is 54515609343.

34390651545 is a `hidden beast` number, since 3 + 4 + 3 + 90 + 6 + 515 + 45 = 666.

It is not a de Polignac number, because 34390651545 - 2⁵ = 34390651513 is a prime.

It is a super-2 number, since 2×34390651545² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34390651545.

It is not an unprimeable number, because it can be changed into a prime (34390651549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4709337 + ... + 4716633.

It is an arithmetic number, because the mean of its divisors is an integer number (969466320).

Almost surely, 2^34390651545 is an apocalyptic number.

It is an amenable number.

34390651545 is a deficient number, since it is larger than the sum of its proper divisors (27655192935).

34390651545 is an frugal number, since it uses more digits than its factorization.

34390651545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754 (or 7736 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 34390651545 in words is "thirty-four billion, three hundred ninety million, six hundred fifty-one thousand, five hundred forty-five".