33906861051 has 32 divisors (see below), whose sum is σ = 53717841408. Its totient is φ = 18620616960.

The previous prime is 33906861049. The next prime is 33906861083. The reversal of 33906861051 is 15016860933.

It is a happy number.

It is not a de Polignac number, because 33906861051 - 2¹ = 33906861049 is a prime.

It is a super-2 number, since 2×33906861051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33906860994 and 33906861012.

It is not an unprimeable number, because it can be changed into a prime (33906861011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236200 + ... + 351573.

It is an arithmetic number, because the mean of its divisors is an integer number (1678682544).

Almost surely, 2^33906861051 is an apocalyptic number.

33906861051 is a deficient number, since it is larger than the sum of its proper divisors (19810980357).

33906861051 is a wasteful number, since it uses less digits than its factorization.

33906861051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587891.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 33906861051 in words is "thirty-three billion, nine hundred six million, eight hundred sixty-one thousand, fifty-one".