1547948785494 has 32 divisors (see below), whose sum is σ = 3212349600096. Its totient is φ = 496861793280.

The previous prime is 1547948785489. The next prime is 1547948785517. The reversal of 1547948785494 is 4945878497451.

It is a super-2 number, since 2×1547948785494² (a number of 25 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, 35920437 + ... + 35963504.

It is an arithmetic number, because the mean of its divisors is an integer number (100385925003).

Almost surely, 2^{1547948785494} is an apocalyptic number.

1547948785494 is an abundant number, since it is smaller than the sum of its proper divisors (1664400814602).

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

1547948785494 is a wasteful number, since it uses less digits than its factorization.

1547948785494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71884080.

The product of its digits is 1625702400, while the sum is 75.

The spelling of 1547948785494 in words is "one trillion, five hundred forty-seven billion, nine hundred forty-eight million, seven hundred eighty-five thousand, four hundred ninety-four".