2170401954 has 16 divisors (see below), whose sum is σ = 4960918848. Its totient is φ = 620114832.

The previous prime is 2170401949. The next prime is 2170401967. The reversal of 2170401954 is 4591040712.

It is a happy number.

It is a super-3 number, since 3×2170401954³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25838077 + ... + 25838160.

It is an arithmetic number, because the mean of its divisors is an integer number (310057428).

Almost surely, 2^2170401954 is an apocalyptic number.

2170401954 is an abundant number, since it is smaller than the sum of its proper divisors (2790516894).

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

2170401954 is a wasteful number, since it uses less digits than its factorization.

2170401954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51676249.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2170401954 is about 46587.5729567446. The cubic root of 2170401954 is about 1294.7325225861.

The spelling of 2170401954 in words is "two billion, one hundred seventy million, four hundred one thousand, nine hundred fifty-four".