3537494429220 has 72 divisors (see below), whose sum is σ = 10730742736896. Its totient is φ = 943301696832.

The previous prime is 3537494429159. The next prime is 3537494429221. The reversal of 3537494429220 is 229244947353.

3537494429220 is a `hidden beast` number, since 3 + 5 + 3 + 7 + 494 + 42 + 92 + 20 = 666.

It is not an unprimeable number, because it can be changed into a prime (3537494429221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5646579 + ... + 6241701.

It is an arithmetic number, because the mean of its divisors is an integer number (149038093568).

Almost surely, 2^{3537494429220} is an apocalyptic number.

3537494429220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3537494429220 is an abundant number, since it is smaller than the sum of its proper divisors (7193248307676).

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

3537494429220 is a wasteful number, since it uses less digits than its factorization.

3537494429220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628161 (or 628156 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

It can be divided in two parts, 353749 and 4429220, that added together give a 14-th power (4782969 = 3¹⁴).

The spelling of 3537494429220 in words is "three trillion, five hundred thirty-seven billion, four hundred ninety-four million, four hundred twenty-nine thousand, two hundred twenty".