71219337954 has 32 divisors (see below), whose sum is σ = 143668261440. Its totient is φ = 23535701952.

The previous prime is 71219337911. The next prime is 71219337967. The reversal of 71219337954 is 45973391217.

It is a super-2 number, since 2×71219337954² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71219337897 and 71219337906.

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, 228052 + ... + 440960.

It is an arithmetic number, because the mean of its divisors is an integer number (4489633170).

Almost surely, 2^71219337954 is an apocalyptic number.

71219337954 is an abundant number, since it is smaller than the sum of its proper divisors (72448923486).

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

71219337954 is a wasteful number, since it uses less digits than its factorization.

71219337954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213394.

The product of its digits is 1428840, while the sum is 51.

The spelling of 71219337954 in words is "seventy-one billion, two hundred nineteen million, three hundred thirty-seven thousand, nine hundred fifty-four".