69254247942 has 96 divisors (see below), whose sum is σ = 177190968960. Its totient is φ = 19881540720.

The previous prime is 69254247899. The next prime is 69254247949. The reversal of 69254247942 is 24974245296.

69254247942 is a `hidden beast` number, since 6 + 9 + 2 + 542 + 4 + 7 + 94 + 2 = 666.

It is a super-2 number, since 2×69254247942² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69254247949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52953 + ... + 375915.

It is an arithmetic number, because the mean of its divisors is an integer number (1845739260).

Almost surely, 2^69254247942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69254247942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88595484480).

69254247942 is an abundant number, since it is smaller than the sum of its proper divisors (107936721018).

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

69254247942 is a wasteful number, since it uses less digits than its factorization.

69254247942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323023 (or 322998 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 69254247942 in words is "sixty-nine billion, two hundred fifty-four million, two hundred forty-seven thousand, nine hundred forty-two".