69035940791990 has 32 divisors (see below), whose sum is σ = 129714676344000. Its totient is φ = 26404142523264.

The previous prime is 69035940791989. The next prime is 69035940792011. The reversal of 69035940791990 is 9919704953096.

It is a super-2 number, since 2×69035940791990² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53961449 + ... + 55225988.

It is an arithmetic number, because the mean of its divisors is an integer number (4053583635750).

Almost surely, 2^{69035940791990} is an apocalyptic number.

69035940791990 is a deficient number, since it is larger than the sum of its proper divisors (60678735552010).

69035940791990 is a wasteful number, since it uses less digits than its factorization.

69035940791990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109190216.

The product of its (nonzero) digits is 148803480, while the sum is 71.

The spelling of 69035940791990 in words is "sixty-nine trillion, thirty-five billion, nine hundred forty million, seven hundred ninety-one thousand, nine hundred ninety".