69401561340 has 24 divisors (see below), whose sum is σ = 194324371920. Its totient is φ = 18507083008.

The previous prime is 69401561303. The next prime is 69401561377. The reversal of 69401561340 is 4316510496.

It is an interprime number because it is at equal distance from previous prime (69401561303) and next prime (69401561377).

It is a super-3 number, since 3×69401561340³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578346285 + ... + 578346404.

It is an arithmetic number, because the mean of its divisors is an integer number (8096848830).

Almost surely, 2^69401561340 is an apocalyptic number.

69401561340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69401561340 is an abundant number, since it is smaller than the sum of its proper divisors (124922810580).

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

69401561340 is a wasteful number, since it uses less digits than its factorization.

69401561340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156692701 (or 1156692699 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

It can be divided in two parts, 6940156 and 1340, that added together give a palindrome (6941496).

The spelling of 69401561340 in words is "sixty-nine billion, four hundred one million, five hundred sixty-one thousand, three hundred forty".