69129942454 has 4 divisors (see below), whose sum is σ = 103694913684. Its totient is φ = 34564971226.

The previous prime is 69129942407. The next prime is 69129942463. The reversal of 69129942454 is 45424992196.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 69129942395 and 69129942404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17282485612 + ... + 17282485615.

It is an arithmetic number, because the mean of its divisors is an integer number (25923728421).

Almost surely, 2^69129942454 is an apocalyptic number.

69129942454 is a deficient number, since it is larger than the sum of its proper divisors (34564971230).

69129942454 is a wasteful number, since it uses less digits than its factorization.

69129942454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34564971229.

The product of its digits is 5598720, while the sum is 55.

The spelling of 69129942454 in words is "sixty-nine billion, one hundred twenty-nine million, nine hundred forty-two thousand, four hundred fifty-four".