34659781890 has 16 divisors (see below), whose sum is σ = 83183476608. Its totient is φ = 9242608496.

The previous prime is 34659781867. The next prime is 34659781901. The reversal of 34659781890 is 9818795643.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577663002 + ... + 577663061.

It is an arithmetic number, because the mean of its divisors is an integer number (5198967288).

Almost surely, 2^34659781890 is an apocalyptic number.

34659781890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34659781890 is an abundant number, since it is smaller than the sum of its proper divisors (48523694718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34659781890 is a wasteful number, since it uses less digits than its factorization.

34659781890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155326073.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 34659781890 in words is "thirty-four billion, six hundred fifty-nine million, seven hundred eighty-one thousand, eight hundred ninety".